GPT-X3-150M tops Open SLM Leaderboard with fraction of training compute

AxiomicLabs' 150M-parameter GPT-X3-150M tops the Open SLM Leaderboard with an Intelligence Index of 33.05, beating HuggingFace's SmolLM2-135M while using only about 1/27 of the training compute.

2026-10-25 ~ 2026-10-25 · 2 related posts

• GPT-X3-150M hits 33.05 on Open SLM Leaderboard with ~27× less training compute than SmolLM2-135M — datdanboi25 · 2026-10-25
• GPT-X3-150M tops Open SLM Leaderboard, dethrones SmolLM2-135M with GDN2/GQA hybrid — datdanboi25 · 2026-10-25